test.js

/*!
 * assert-kindof <https://github.com/tunnckoCore/assert-kindof>
 *
 * Copyright (c) Charlike Mike Reagent <@tunnckoCore> (http://www.tunnckocore.tk)
 * Released under the MIT license.
 */

/* jshint asi:true */

'use strict'

var util = require('util')
var test = require('mukla')
var assert = require('./index')

test('should throws if not okey', function (done) {
  try {
    assert.object(null)
  } catch (err) {
    test.strictEqual(err.message, 'null !== object')
    test.strictEqual(err.actual, 'null')
    test.strictEqual(err.expected, 'object')
  }
  done()
})

test('should throws if negation not okey', function (done) {
  try {
    assert.not.number(123)
  } catch (err) {
    test.strictEqual(err.message, 'number === number')
  }
  done()
})

test('should not throw if okey', function (done) {
  assert.string('foo')
  done()
})

test('should allow custom assertion message', function (done) {
  var msg = 'expect a function, but got object'
  try {
    assert.function({ foo: 'barrr' }, msg)
  } catch (err) {
    test.strictEqual(err.message, msg)
    test.strictEqual(err.value.foo, 'barrr')
  }
  done()
})

test('should allow msg to be function', function (done) {
  try {
    assert.number({ aa: 'bb' }, function (actual, expected, value) {
      test.strictEqual(actual, 'object')
      test.strictEqual(expected, 'number')
      test.strictEqual(value.aa, 'bb')
      return 'expect value to be ' + expected + ', but got ' + util.inspect(value)
    })
  } catch (err) {
    test.strictEqual(/expect value to be number, but got/.test(err.message), true)
  }
  done()
})

test('should support message to be template', function (done) {
  try {
    assert.function('foo', 'expect `bar` to be {expected}, but got {actual}')
  } catch (err) {
    test.strictEqual(err.message, 'expect `bar` to be function, but got string')
    done()
  }
})

test('should `assert.undefined()` not throws', function (done) {
  assert.undefined()
  done()
})

test('should expose `is-kindof` as `.is`', function (done) {
  test.strictEqual(typeof assert.is, 'object')
  test.strictEqual(typeof assert.is.string, 'function')
  test.strictEqual(typeof assert.is.boolean, 'function')
  test.strictEqual(assert.is.null('abc'), false)
  test.strictEqual(assert.is.string('abc'), true)
  done()
})